---

yaml
---
r: 155856
b: refs/heads/master
c: f54c142
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: e2e414d92397c366396d13f627a98a20be92e509
+refs/heads/master: f54c142725ad2ba33c3ee627873cb6966bf05447

trunk/net/rfkill/core.c

@@ -648,15 +648,26 @@ static ssize_t rfkill_state_store(struct device *dev,
 				  struct device_attribute *attr,
 				  const char *buf, size_t count)
 {
-	/*
-	 * The intention was that userspace can only take control over
-	 * a given device when/if rfkill-input doesn't control it due
-	 * to user_claim. Since user_claim is currently unsupported,
-	 * we never support changing the state from userspace -- this
-	 * can be implemented again later.
-	 */
+	struct rfkill *rfkill = to_rfkill(dev);
+	unsigned long state;
+	int err;
+
+	if (!capable(CAP_NET_ADMIN))
+		return -EPERM;
+
+	err = strict_strtoul(buf, 0, &state);
+	if (err)
+		return err;
+
+	if (state != RFKILL_USER_STATE_SOFT_BLOCKED &&
+	    state != RFKILL_USER_STATE_UNBLOCKED)
+		return -EINVAL;
+
+	mutex_lock(&rfkill_global_mutex);
+	rfkill_set_block(rfkill, state == RFKILL_USER_STATE_SOFT_BLOCKED);
+	mutex_unlock(&rfkill_global_mutex);
 
-	return -EPERM;
+	return err ?: count;
 }
 
 static ssize_t rfkill_claim_show(struct device *dev,